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Finding the Fourth Proportional to 272,550.75, 408,840.27 and 82,996.47

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Solution

The fourth proportional to 272,550.75, 408,840.27 and 82,996.47 is: 124,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,550.75 : 408,840.27 = 82,996.47 : x
  2. Step 2: Convert to fraction form
    272,550.75/408,840.27 = 82,996.47/x
  3. Step 3: Cross multiply
    272,550.75x = 408,840.27 × 82,996.47
  4. Step 4: Simplify right side
    272,550.75x = 33,932,299,203.85
  5. Step 5: Solve for x
    x = 33,932,299,203.85/272,550.75
  6. Step 6: Final answer
    x = 124,499.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.